The Reception Of South-Eastern Cultural Patterns: Late Neolithic And Nascent Bronze Age Flint Working In The Vistula Drainage Basin. The Case Of Trough-Like Retouch - Zakościelna, Anna; Libera, Jerzy (Uniwersytet im. Adama Mickiewicza (Poznań). Instytut Prahistorii, Uniwersytet im. Adama Mickiewicza (Poznań). Instytut Wschodni, 2014)